| 单词 | draught-hole | 
| 释义 | > as lemmasdraught-hole   draught-hole  n. a hole by which air is admitted to a furnace. ΚΠ 1854    E. Ronalds  & T. Richardson Knapp's Chem. Technol. 		(ed. 2)	 I. 99  				Above the sole of the furnace are three rows of draught holes. < as lemmas  | 
	
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